/
NXdixfonts.c
1576 lines (1468 loc) · 43.7 KB
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NXdixfonts.c
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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
/* Copyright (c) 2008-2017 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
/* Copyright (c) 2011-2022 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
/* Copyright (c) 2014-2019 Mihai Moldovan <ionic@ionic.de> */
/* Copyright (c) 2014-2022 Ulrich Sibiller <uli42@gmx.de> */
/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
/* */
/* NXAGENT, NX protocol compression and NX extensions to this software */
/* are copyright of the aforementioned persons and companies. */
/* */
/* Redistribution and use of the present software is allowed according */
/* to terms specified in the file LICENSE which comes in the source */
/* distribution. */
/* */
/* All rights reserved. */
/* */
/* NOTE: This software has received contributions from various other */
/* contributors, only the core maintainers and supporters are listed as */
/* copyright holders. Please contact us, if you feel you should be listed */
/* as copyright holder, as well. */
/* */
/**************************************************************************/
/************************************************************************
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
************************************************************************/
/* The panoramix components contained the following notice */
/*
Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of Digital Equipment Corporation
shall not be used in advertising or otherwise to promote the sale, use or other
dealings in this Software without prior written authorization from Digital
Equipment Corporation.
******************************************************************/
#include "dixstruct.h"
#include "dixfontstr.h"
static Bool doOpenFont(ClientPtr client, OFclosurePtr c);
static Bool doListFontsAndAliases(ClientPtr client, LFclosurePtr c);
#include "../../dix/dixfonts.c"
#include "Agent.h"
#include "Font.h"
#ifdef NXAGENT_SERVER
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
/* This enables code that contains copies of code from libXfont.
* We copy+pasted the private _LFWIData type struct into this
* file. If this gets ever changed in libXfont, we must follow-up
* on that change here, too.
*/
#define NXAGENT_DANGEROUS_XFONT_LOOP_EXIT
#define NXFONTPATHLENGTH 1024
char _NXFontPath[NXFONTPATHLENGTH];
/*
* Override the default font path and make
* it configurable at run time, based on
* the NX_FONT environment.
*/
static char *_NXGetFontPath(const char *path)
{
/*
* Check the environment only once.
*/
if (_NXFontPath[0] != '\0')
{
return _NXFontPath;
}
const char *fontEnv = getenv("NX_FONT");
if (fontEnv != NULL && *fontEnv != '\0')
{
if (strlen(fontEnv) + 1 > NXFONTPATHLENGTH)
{
#ifdef TEST
fprintf(stderr, "_NXGetFontPath: WARNING! Maximum length of font path exceeded.\n");
#endif
goto _NXGetFontPathError;
}
snprintf(_NXFontPath, NXFONTPATHLENGTH, "%s", fontEnv);
#ifdef TEST
fprintf(stderr, "_NXGetFontPath: Using NX font path [%s].\n", _NXFontPath);
#endif
return _NXFontPath;
}
_NXGetFontPathError:
snprintf(_NXFontPath, NXFONTPATHLENGTH, "%s", path);
#ifdef TEST
fprintf(stderr, "_NXGetFontPath: Using default font path [%s].\n", _NXFontPath);
#endif
return _NXFontPath;
}
#endif
static Bool
doOpenFont(ClientPtr client, OFclosurePtr c)
{
FontPtr pfont = NullFont;
FontPathElementPtr fpe = NULL;
ScreenPtr pScr;
int err = Successful;
int i;
char *alias,
*newname;
int newlen;
int aliascount = 20;
#ifdef NXAGENT_SERVER
char nxagentOrigFontName[256];
int nxagentOrigFontNameLen;
#endif
/*
* Decide at runtime what FontFormat to use.
*/
Mask FontFormat =
((screenInfo.imageByteOrder == LSBFirst) ?
BitmapFormatByteOrderLSB : BitmapFormatByteOrderMSB) |
((screenInfo.bitmapBitOrder == LSBFirst) ?
BitmapFormatBitOrderLSB : BitmapFormatBitOrderMSB) |
BitmapFormatImageRectMin |
#if GLYPHPADBYTES == 1
BitmapFormatScanlinePad8 |
#endif
#if GLYPHPADBYTES == 2
BitmapFormatScanlinePad16 |
#endif
#if GLYPHPADBYTES == 4
BitmapFormatScanlinePad32 |
#endif
#if GLYPHPADBYTES == 8
BitmapFormatScanlinePad64 |
#endif
BitmapFormatScanlineUnit8;
#ifdef NXAGENT_SERVER
nxagentOrigFontNameLen = (c -> origFontNameLen < sizeof(nxagentOrigFontName) ? c -> origFontNameLen : sizeof(nxagentOrigFontName) - 1);
memcpy(nxagentOrigFontName, c -> origFontName, nxagentOrigFontNameLen);
nxagentOrigFontName[nxagentOrigFontNameLen] = 0;
#endif
if (client->clientGone)
{
if (c->current_fpe < c->num_fpes)
{
fpe = c->fpe_list[c->current_fpe];
#ifdef HAS_XFONT2
(*fpe_functions[fpe->type]->client_died) ((void *) client, fpe);
#else
(*fpe_functions[fpe->type].client_died) ((void *) client, fpe);
#endif /* HAS_XFONT2 */
}
err = Successful;
goto bail;
}
while (c->current_fpe < c->num_fpes) {
fpe = c->fpe_list[c->current_fpe];
#ifdef HAS_XFONT2
err = (*fpe_functions[fpe->type]->open_font)
#else
err = (*fpe_functions[fpe->type].open_font)
#endif /* HAS_XFONT2 */
((void *) client, fpe, c->flags,
c->fontname, c->fnamelen, FontFormat,
BitmapFormatMaskByte |
BitmapFormatMaskBit |
BitmapFormatMaskImageRectangle |
BitmapFormatMaskScanLinePad |
BitmapFormatMaskScanLineUnit,
c->fontid, &pfont, &alias,
c->non_cachable_font && c->non_cachable_font->fpe == fpe ?
c->non_cachable_font :
(FontPtr)0);
if (err == FontNameAlias && alias) {
newlen = strlen(alias);
newname = (char *) realloc(c->fontname, newlen);
if (!newname) {
err = AllocError;
break;
}
memmove(newname, alias, newlen);
c->fontname = newname;
c->fnamelen = newlen;
c->current_fpe = 0;
if (--aliascount <= 0)
break;
continue;
}
if (err == BadFontName) {
c->current_fpe++;
continue;
}
if (err == Suspended) {
if (!c->slept) {
c->slept = TRUE;
ClientSleep(client, (ClientSleepProcPtr)doOpenFont, (void *) c);
#ifdef NXAGENT_SERVER
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doOpenFont: client [%lx] sleeping.\n", client);
#endif
#endif
}
return TRUE;
}
break;
}
if (err != Successful)
goto bail;
if (!pfont) {
err = BadFontName;
goto bail;
}
/* check values for firstCol, lastCol, firstRow, and lastRow */
if (pfont->info.firstCol > pfont->info.lastCol ||
pfont->info.firstRow > pfont->info.lastRow ||
pfont->info.lastCol - pfont->info.firstCol > 255) {
err = AllocError;
goto bail;
}
if (!pfont->fpe)
pfont->fpe = fpe;
pfont->refcnt++;
if (pfont->refcnt == 1) {
UseFPE(pfont->fpe);
for (i = 0; i < screenInfo.numScreens; i++) {
pScr = screenInfo.screens[i];
if (pScr->RealizeFont)
{
#ifdef NXAGENT_SERVER
/*
* NXAGENT uses useless screen pointer to pass the original font name
* to realizeFont, could be a source of problems in the future.
*/
if (!(*pScr->RealizeFont) ((ScreenPtr)nxagentOrigFontName, pfont))
#else
if (!(*pScr->RealizeFont) (pScr, pfont))
#endif
{
CloseFont (pfont, (Font) 0);
#ifdef NXAGENT_SERVER
err = BadFontName;
#else
err = AllocError;
#endif
goto bail;
}
}
}
}
if (!AddResource(c->fontid, RT_FONT, (void *) pfont)) {
err = AllocError;
goto bail;
}
#ifdef NXAGENT_SERVER
if( nxagentFontPriv(pfont) -> mirrorID == 0 )
{
extern RESTYPE RT_NX_FONT;
nxagentFontPriv(pfont) -> mirrorID = FakeClientID(0);
if (!AddResource(nxagentFontPriv(pfont) -> mirrorID, RT_NX_FONT, (void *) pfont)) {
FreeResource(c->fontid, RT_NONE);
err = AllocError;
goto bail;
}
}
#endif
if (patternCache && pfont != c->non_cachable_font)
#ifdef NXAGENT_SERVER
#ifdef HAS_XFONT2
xfont2_cache_font_pattern(patternCache, nxagentOrigFontName, nxagentOrigFontNameLen,
#else
CacheFontPattern(patternCache, nxagentOrigFontName, nxagentOrigFontNameLen,
#endif /* HAS_XFONT2 */
#else
#ifdef HAS_XFONT2
xfont2_cache_font_pattern(patternCache, c->origFontName, c->origFontNameLen,
#else
CacheFontPattern(patternCache, c->origFontName, c->origFontNameLen,
#endif /* HAS_XFONT2 */
#endif
pfont);
bail:
if (err != Successful && c->client != serverClient) {
SendErrorToClient(c->client, X_OpenFont, 0,
c->fontid, FontToXError(err));
}
if (c->slept)
#ifdef NXAGENT_SERVER
{
ClientWakeup(c->client);
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doOpenFont: client [%lx] wakeup.\n", client);
#endif
}
#else
ClientWakeup(c->client);
#endif
for (i = 0; i < c->num_fpes; i++) {
FreeFPE(c->fpe_list[i]);
}
free(c->fpe_list);
free(c->fontname);
free(c);
return TRUE;
}
static Bool
doListFontsAndAliases(ClientPtr client, LFclosurePtr c)
{
FontPathElementPtr fpe;
int err = Successful;
FontNamesPtr names = NULL;
char *name, *resolved=NULL;
int namelen, resolvedlen;
int nnames;
int stringLens;
int i;
xListFontsReply reply;
char *bufptr;
char *bufferStart;
int aliascount = 0;
if (client->clientGone)
{
if (c->current.current_fpe < c->num_fpes)
{
fpe = c->fpe_list[c->current.current_fpe];
#ifdef HAS_XFONT2
(*fpe_functions[fpe->type]->client_died) ((void *) client, fpe);
#else
(*fpe_functions[fpe->type].client_died) ((void *) client, fpe);
#endif /* HAS_XFONT2 */
}
err = Successful;
goto bail;
}
if (!c->current.patlen)
goto finish;
while (c->current.current_fpe < c->num_fpes) {
fpe = c->fpe_list[c->current.current_fpe];
err = Successful;
#ifdef HAS_XFONT2
if (!fpe_functions[fpe->type]->start_list_fonts_and_aliases)
#else
if (!fpe_functions[fpe->type].start_list_fonts_and_aliases)
#endif /* HAS_XFONT2 */
{
/* This FPE doesn't support/require list_fonts_and_aliases */
#ifdef HAS_XFONT2
err = (*fpe_functions[fpe->type]->list_fonts)
#else
err = (*fpe_functions[fpe->type].list_fonts)
#endif /* HAS_XFONT2 */
((void *) c->client, fpe, c->current.pattern,
c->current.patlen, c->current.max_names - c->names->nnames,
c->names);
if (err == Suspended) {
if (!c->slept) {
c->slept = TRUE;
ClientSleep(client,
(ClientSleepProcPtr)doListFontsAndAliases,
(void *) c);
#ifdef NXAGENT_SERVER
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doListFont (1): client [%lx] sleeping.\n", client);
#endif
#endif
}
return TRUE;
}
err = BadFontName;
}
else
{
/* Start of list_fonts_and_aliases functionality. Modeled
after list_fonts_with_info in that it resolves aliases,
except that the information collected from FPEs is just
names, not font info. Each list_next_font_or_alias()
returns either a name into name/namelen or an alias into
name/namelen and its target name into resolved/resolvedlen.
The code at this level then resolves the alias by polling
the FPEs. */
if (!c->current.list_started) {
#ifdef HAS_XFONT2
err = (*fpe_functions[fpe->type]->start_list_fonts_and_aliases)
#else
err = (*fpe_functions[fpe->type].start_list_fonts_and_aliases)
#endif /* HAS_XFONT2 */
((void *) c->client, fpe, c->current.pattern,
c->current.patlen, c->current.max_names - c->names->nnames,
&c->current.private);
if (err == Suspended) {
if (!c->slept) {
ClientSleep(client,
(ClientSleepProcPtr)doListFontsAndAliases,
(void *) c);
c->slept = TRUE;
#ifdef NXAGENT_SERVER
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doListFont (2): client [%lx] sleeping.\n", client);
#endif
#endif
}
return TRUE;
}
if (err == Successful)
c->current.list_started = TRUE;
}
if (err == Successful) {
char *tmpname;
name = 0;
#ifdef HAS_XFONT2
err = (*fpe_functions[fpe->type]->list_next_font_or_alias)
#else
err = (*fpe_functions[fpe->type].list_next_font_or_alias)
#endif /* HAS_XFONT2 */
((void *) c->client, fpe, &name, &namelen, &tmpname,
&resolvedlen, c->current.private);
if (err == Suspended) {
if (!c->slept) {
ClientSleep(client,
(ClientSleepProcPtr)doListFontsAndAliases,
(void *) c);
c->slept = TRUE;
#ifdef NXAGENT_SERVER
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doListFont (3): client [%lx] sleeping.\n", client);
#endif
#endif
}
return TRUE;
}
if (err == FontNameAlias) {
free(resolved);
resolved = (char *) malloc(resolvedlen + 1);
if (resolved)
memmove(resolved, tmpname, resolvedlen + 1);
}
}
if (err == Successful)
{
if (c->haveSaved)
{
if (c->savedName)
#ifdef HAS_XFONT2
(void)xfont2_add_font_names_name(c->names, c->savedName,
#else
(void)AddFontNamesName(c->names, c->savedName,
#endif /* HAS_XFONT2 */
c->savedNameLen);
}
else
#ifdef HAS_XFONT2
(void)xfont2_add_font_names_name(c->names, name, namelen);
#else
(void)AddFontNamesName(c->names, name, namelen);
#endif /* HAS_XFONT2 */
}
/*
* When we get an alias back, save our state and reset back to
* the start of the FPE looking for the specified name. As
* soon as a real font is found for the alias, pop back to the
* old state
*/
else if (err == FontNameAlias) {
char tmp_pattern[XLFDMAXFONTNAMELEN];
/*
* when an alias recurses, we need to give
* the last FPE a chance to clean up; so we call
* it again, and assume that the error returned
* is BadFontName, indicating the alias resolution
* is complete.
*/
memmove(tmp_pattern, resolved, resolvedlen);
if (c->haveSaved)
{
char *tmpname;
int tmpnamelen;
tmpname = 0;
#ifdef HAS_XFONT2
(void) (*fpe_functions[fpe->type]->list_next_font_or_alias)
#else
(void) (*fpe_functions[fpe->type].list_next_font_or_alias)
#endif /* HAS_XFONT2 */
((void *) c->client, fpe, &tmpname, &tmpnamelen,
&tmpname, &tmpnamelen, c->current.private);
if (--aliascount <= 0)
{
err = BadFontName;
goto ContBadFontName;
}
}
else
{
c->saved = c->current;
c->haveSaved = TRUE;
free(c->savedName);
c->savedName = (char *)malloc(namelen + 1);
if (c->savedName)
memmove(c->savedName, name, namelen + 1);
c->savedNameLen = namelen;
aliascount = 20;
}
memmove(c->current.pattern, tmp_pattern, resolvedlen);
c->current.patlen = resolvedlen;
c->current.max_names = c->names->nnames + 1;
c->current.current_fpe = -1;
c->current.private = 0;
err = BadFontName;
}
}
/*
* At the end of this FPE, step to the next. If we've finished
* processing an alias, pop state back. If we've collected enough
* font names, quit.
*/
if (err == BadFontName) {
ContBadFontName: ;
c->current.list_started = FALSE;
c->current.current_fpe++;
err = Successful;
if (c->haveSaved)
{
if (c->names->nnames == c->current.max_names ||
c->current.current_fpe == c->num_fpes) {
c->haveSaved = FALSE;
c->current = c->saved;
/* Give the saved namelist a chance to clean itself up */
continue;
}
}
if (c->names->nnames == c->current.max_names)
break;
}
}
/*
* send the reply
*/
if (err != Successful) {
SendErrorToClient(client, X_ListFonts, 0, 0, FontToXError(err));
goto bail;
}
finish:
names = c->names;
nnames = names->nnames;
client = c->client;
stringLens = 0;
for (i = 0; i < nnames; i++)
stringLens += (names->length[i] <= 255) ? names->length[i] : 0;
memset(&reply, 0, sizeof(xListFontsReply));
reply.type = X_Reply;
reply.length = (stringLens + nnames + 3) >> 2;
reply.nFonts = nnames;
reply.sequenceNumber = client->sequence;
#ifdef NXAGENT_SERVER
bufptr = bufferStart = (char *) calloc(1, reply.length << 2);
#else
bufptr = bufferStart = (char *) malloc(reply.length << 2);
#endif
if (!bufptr && reply.length) {
SendErrorToClient(client, X_ListFonts, 0, 0, BadAlloc);
goto bail;
}
/*
* since WriteToClient long word aligns things, copy to temp buffer and
* write all at once
*/
for (i = 0; i < nnames; i++) {
if (names->length[i] > 255)
reply.nFonts--;
else
{
#ifdef NXAGENT_SERVER
{
/* dirty hack: don't list to client fonts not existing on the remote side */
char tmp[256];
memcpy(tmp, names->names[i], names->length[i]);
tmp[ names->length[i] ] = 0;
if (nxagentFontLookUp(tmp) == 0)
{
#ifdef NXAGENT_FONTMATCH_DEBUG
fprintf(stderr, "doListFontsAndAliases:\n");
fprintf(stderr, " removing font: %s \n", tmp);
#endif
reply.nFonts--;
stringLens -= names->length[i];
continue;
}
}
#endif
*bufptr++ = names->length[i];
memmove( bufptr, names->names[i], names->length[i]);
bufptr += names->length[i];
}
}
nnames = reply.nFonts;
reply.length = (stringLens + nnames + 3) >> 2;
client->pSwapReplyFunc = ReplySwapVector[X_ListFonts];
WriteSwappedDataToClient(client, sizeof(xListFontsReply), &reply);
WriteToClient(client, stringLens + nnames, bufferStart);
free(bufferStart);
bail:
if (c->slept)
{
ClientWakeup(client);
#ifdef NXAGENT_SERVER
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doListFont: client [%lx] wakeup.\n", client);
#endif
#endif
}
for (i = 0; i < c->num_fpes; i++)
FreeFPE(c->fpe_list[i]);
free(c->fpe_list);
free(c->savedName);
#ifdef HAS_XFONT2
xfont2_free_font_names(names);
#else
FreeFontNames(names);
#endif /* HAS_XFONT2 */
free(c);
free(resolved);
return TRUE;
}
int
ListFonts(ClientPtr client, unsigned char *pattern, unsigned length,
unsigned max_names)
{
int i;
LFclosurePtr c;
/*
* The right error to return here would be BadName, however the
* specification does not allow for a Name error on this request.
* Perhaps a better solution would be to return a nil list, i.e.
* a list containing zero fontnames.
*/
if (length > XLFDMAXFONTNAMELEN)
return BadAlloc;
if (!(c = (LFclosurePtr) calloc(1, sizeof *c)))
return BadAlloc;
c->fpe_list = (FontPathElementPtr *)
malloc(sizeof(FontPathElementPtr) * num_fpes);
if (!c->fpe_list) {
free(c);
return BadAlloc;
}
#ifdef NXAGENT_SERVER
#ifdef HAS_XFONT2
c->names = xfont2_make_font_names_record(max_names < nxagentMaxFontNames ? max_names : nxagentMaxFontNames);
#else
c->names = MakeFontNamesRecord(max_names < nxagentMaxFontNames ? max_names : nxagentMaxFontNames);
#endif /* HAS_XFONT2 */
#else
#ifdef HAS_XFONT2
c->names = xfont2_make_font_names_record(max_names < 100 ? max_names : 100);
#else
c->names = MakeFontNamesRecord(max_names < 100 ? max_names : 100);
#endif /* HAS_XFONT2 */
#endif
if (!c->names)
{
free(c->fpe_list);
free(c);
return BadAlloc;
}
memmove( c->current.pattern, pattern, length);
for (i = 0; i < num_fpes; i++) {
c->fpe_list[i] = font_path_elements[i];
UseFPE(c->fpe_list[i]);
}
c->client = client;
c->num_fpes = num_fpes;
c->current.patlen = length;
c->current.current_fpe = 0;
c->current.max_names = max_names;
c->current.list_started = FALSE;
c->current.private = 0;
c->haveSaved = FALSE;
c->slept = FALSE;
c->savedName = 0;
doListFontsAndAliases(client, c);
return Success;
}
int
doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c)
{
FontPathElementPtr fpe;
int err = Successful;
char *name;
int namelen;
int numFonts;
FontInfoRec fontInfo,
*pFontInfo;
xListFontsWithInfoReply *reply;
int length;
xFontProp *pFP;
int i;
int aliascount = 0;
xListFontsWithInfoReply finalReply;
if (client->clientGone)
{
if (c->current.current_fpe < c->num_fpes)
{
fpe = c->fpe_list[c->current.current_fpe];
#ifdef HAS_XFONT2
(*fpe_functions[fpe->type]->client_died) ((void *) client, fpe);
#else
(*fpe_functions[fpe->type].client_died) ((void *) client, fpe);
#endif /* HAS_XFONT2 */
}
err = Successful;
goto bail;
}
client->pSwapReplyFunc = ReplySwapVector[X_ListFontsWithInfo];
if (!c->current.patlen)
goto finish;
while (c->current.current_fpe < c->num_fpes)
{
fpe = c->fpe_list[c->current.current_fpe];
err = Successful;
if (!c->current.list_started)
{
#ifdef HAS_XFONT2
err = (*fpe_functions[fpe->type]->start_list_fonts_with_info)
#else
err = (*fpe_functions[fpe->type].start_list_fonts_with_info)
#endif /* HAS_XFONT2 */
(client, fpe, c->current.pattern, c->current.patlen,
c->current.max_names, &c->current.private);
if (err == Suspended)
{
if (!c->slept)
{
ClientSleep(client, (ClientSleepProcPtr)doListFontsWithInfo, c);
c->slept = TRUE;
#ifdef NXAGENT_SERVER
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doListFontWinfo (1): client [%lx] sleeping.\n", client);
#endif
#endif
}
return TRUE;
}
if (err == Successful)
c->current.list_started = TRUE;
}
if (err == Successful)
{
name = 0;
pFontInfo = &fontInfo;
#ifdef HAS_XFONT2
err = (*fpe_functions[fpe->type]->list_next_font_with_info)
#else
err = (*fpe_functions[fpe->type].list_next_font_with_info)
#endif /* HAS_XFONT2 */
(client, fpe, &name, &namelen, &pFontInfo,
&numFonts, c->current.private);
if (err == Suspended)
{
if (!c->slept)
{
ClientSleep(client,
(ClientSleepProcPtr)doListFontsWithInfo,
c);
c->slept = TRUE;
#ifdef NXAGENT_SERVER
#ifdef DEBUG
fprintf(stderr, " NXdixfonts: doListFontWinfo (2): client [%lx] sleeping.\n", client);
#endif
#endif
}
return TRUE;
}
}
/*
* When we get an alias back, save our state and reset back to the
* start of the FPE looking for the specified name. As soon as a real
* font is found for the alias, pop back to the old state
*/
if (err == FontNameAlias)
{
/*
* when an alias recurses, we need to give
* the last FPE a chance to clean up; so we call
* it again, and assume that the error returned
* is BadFontName, indicating the alias resolution
* is complete.
*/
if (c->haveSaved)
{
char *tmpname;
int tmpnamelen;
FontInfoPtr tmpFontInfo;
tmpname = 0;
tmpFontInfo = &fontInfo;
#ifdef HAS_XFONT2
(void) (*fpe_functions[fpe->type]->list_next_font_with_info)
#else
(void) (*fpe_functions[fpe->type].list_next_font_with_info)
#endif /* HAS_XFONT2 */
(client, fpe, &tmpname, &tmpnamelen, &tmpFontInfo,
&numFonts, c->current.private);
if (--aliascount <= 0)
{
err = BadFontName;
goto ContBadFontName;
}
}
else
{
c->saved = c->current;
c->haveSaved = TRUE;
c->savedNumFonts = numFonts;
free(c->savedName);
c->savedName = (char *)malloc(namelen + 1);
if (c->savedName)
memmove(c->savedName, name, namelen + 1);
aliascount = 20;
}
memmove(c->current.pattern, name, namelen);
c->current.patlen = namelen;
c->current.max_names = 1;
c->current.current_fpe = 0;
c->current.private = 0;
c->current.list_started = FALSE;
}
/*
* At the end of this FPE, step to the next. If we've finished
* processing an alias, pop state back. If we've sent enough font
* names, quit. Always wait for BadFontName to let the FPE
* have a chance to clean up.
*/
else if (err == BadFontName)
{
ContBadFontName: ;
c->current.list_started = FALSE;
c->current.current_fpe++;
#ifdef NXAGENT_SERVER
c->current.private = 0; /* BadFontName -> private has been freed */
#endif
err = Successful;
if (c->haveSaved)
{
if (c->current.max_names == 0 ||
c->current.current_fpe == c->num_fpes)
{
c->haveSaved = FALSE;
c->saved.max_names -= (1 - c->current.max_names);
c->current = c->saved;
}
}
else if (c->current.max_names == 0)
break;
}
else if (err == Successful)
{
#ifdef NXAGENT_SERVER
if (c->haveSaved)
{
numFonts = c->savedNumFonts;
name = c->savedName;
namelen = strlen(name);
}
if (nxagentFontLookUp(name) == 0)
{
#ifdef NXAGENT_FONTMATCH_DEBUG
fprintf(stderr, "doListFontsAndAliases (with info):\n");
fprintf(stderr, " removing font: %s \n", name);
#endif
continue;
}
#endif
length = sizeof(*reply) + pFontInfo->nprops * sizeof(xFontProp);
reply = c->reply;
if (c->length < length)
{
reply = (xListFontsWithInfoReply *) realloc(c->reply, length);
if (!reply)
{
err = AllocError;
break;
}
memset(reply + c->length, 0, length - c->length);
c->reply = reply;
c->length = length;
}
#ifndef NXAGENT_SERVER
if (c->haveSaved)
{
numFonts = c->savedNumFonts;
name = c->savedName;
namelen = strlen(name);
}
#endif
reply->type = X_Reply;
reply->length = (sizeof *reply - sizeof(xGenericReply) +
pFontInfo->nprops * sizeof(xFontProp) +
namelen + 3) >> 2;
reply->sequenceNumber = client->sequence;
reply->nameLength = namelen;
reply->minBounds = pFontInfo->ink_minbounds;
reply->maxBounds = pFontInfo->ink_maxbounds;
reply->minCharOrByte2 = pFontInfo->firstCol;